File refs in one table

Added a file service
Refactored evidence and vendor compliance associated services and resolvers
Created SQL migration scripts
Updated GraphQL schema accordingly and the UI components
Removed unused methods and resolvers for evidence service

Signed-off-by: Yannis Varni <yannis@edinomis.fr>

pkg/coredata/migrations/20251003T132724Z.sql

@@ -0,0 +1,41 @@
+ALTER TABLE evidences
+    ADD COLUMN evidence_file_id text;
+
+/* 10 is for FileEntityType */
+WITH
+    evidence_files AS (
+        SELECT
+            e.id as evidence_id,
+            generate_gid(decode_base64_unpadded(e.tenant_id), 25) as file_id,
+            e.tenant_id,
+            'probod' as bucket_name,
+            e.mime_type,
+            e.filename,
+            e.object_key,
+            e.size,
+            e.created_at,
+            e.updated_at
+        FROM evidences e
+    ),
+    inserted_files AS (
+        INSERT INTO files (id, tenant_id, bucket_name, mime_type, file_name, file_key, file_size, created_at, updated_at)
+            SELECT file_id, tenant_id, bucket_name, mime_type, filename, object_key::uuid, size, created_at, updated_at
+            FROM evidence_files
+            RETURNING id, tenant_id
+    )
+
+SELECT ef.evidence_id, ef.file_id
+INTO TEMP TABLE file_evidence_mapping
+FROM evidence_files ef;
+
+UPDATE evidences
+SET evidence_file_id = fm.file_id
+FROM file_evidence_mapping fm
+WHERE evidences.id = fm.evidence_id;
+
+
+ALTER TABLE evidences
+    ALTER COLUMN filename DROP NOT NULL,
+    ALTER COLUMN mime_type DROP NOT NULL,
+    ALTER COLUMN size DROP NOT NULL,
+    ALTER COLUMN oject_key DROP NOT NULL;